English verb conjugation
MAY STUFF

Regular verb: stuff - stuffed - stuffed

Affirmation

Simple form	V-ing form
I may stuff you may stuff she may stuff we may stuff you may stuff they may stuff	I may be stuffing you may be stuffing she may be stuffing we may be stuffing you may be stuffing they may be stuffing
Perfect	V-ing perfect
I may have stuffed you may have stuffed she may have stuffed we may have stuffed you may have stuffed they may have stuffed	I may have been stuffing you may have been stuffing she may have been stuffing we may have been stuffing you may have been stuffing they may have been stuffing

Negation

Simple form	V-ing form
I mayn't stuff you mayn't stuff she mayn't stuff we mayn't stuff you mayn't stuff they mayn't stuff	I mayn't be stuffing you mayn't be stuffing she mayn't be stuffing we mayn't be stuffing you mayn't be stuffing they mayn't be stuffing
Perfect	V-ing perfect
I mayn't have stuffed you mayn't have stuffed she mayn't have stuffed we mayn't have stuffed you mayn't have stuffed they mayn't have stuffed	I mayn't have been stuffing you mayn't have been stuffing she mayn't have been stuffing we mayn't have been stuffing you mayn't have been stuffing they mayn't have been stuffing

Interrogative form

Simple form	V-ing form
may I stuff? may you stuff? may she stuff? may we stuff? may you stuff? may they stuff?	may I be stuffing? may you be stuffing? may she be stuffing? may we be stuffing? may you be stuffing? may they be stuffing?
Perfect	V-ing perfect
may I have stuffed? may you have stuffed? may she have stuffed? may we have stuffed? may you have stuffed? may they have stuffed?	may I have been stuffing? may you have been stuffing? may she have been stuffing? may we have been stuffing? may you have been stuffing? may they have been stuffing?

Interro-negative form

Simple form	V-ing form
mayn't I stuff? mayn't you stuff? mayn't she stuff? mayn't we stuff? mayn't you stuff? mayn't they stuff?	mayn't I be stuffing? mayn't you be stuffing? mayn't she be stuffing? mayn't we be stuffing? mayn't you be stuffing? mayn't they be stuffing?
Perfect	V-ing perfect
mayn't I have stuffed? mayn't you have stuffed? mayn't she have stuffed? mayn't we have stuffed? mayn't you have stuffed? mayn't they have stuffed?	mayn't I have been stuffing? mayn't you have been stuffing? mayn't she have been stuffing? mayn't we have been stuffing? mayn't you have been stuffing? mayn't they have been stuffing?